Encoding of Program Source
  - XML/XSLT: charsetin HTTP
    header;<?xml version='1.0' encoding='iso-8859-7'
    ?>
- Java: platform/locale encoding or command line switch
- Perl: use encoding
    "euc-jp";(5.8 and later)
- C/C++: locale-dependent?
- Python: special
    comment in first or second line: # -*- coding: UTF-8
    -*-; starting with version 2.3